--- a/src/dav_fuse.c
+++ b/src/dav_fuse.c
@@ -48,6 +48,8 @@
 #include <sys/stat.h>
 #endif
 
+#include <sys/select.h>
+
 #include "defaults.h"
 #include "mount_davfs.h"
 #include "cache.h"
